BÍLA, J.; JURA, J. Fuzzy Concepts in the Detection of Unexpected Situations. Acta Polytechnica, Prague, Czech Republic, v. 47, n. 1, 2007. DOI: 10.14311/902. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/902. Acesso em: 3 apr. 2025.